Fitting New Front Door Lock

You ve just bought a new lock and for some reason it s not fitting on your door and locking like it should.

Fitting new front door lock.

Replacing door locks you ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with smart. Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit. First mark out the place where the strike plate has to be fitted. 8 and score a line down the door edge to mark the position of the lock.

Then use a drill to make the necessary holes for installation of your doorknob door handle and lock. Poor alignment can occur because your house has settled or shifted over time the door frame is old or warped or the door is sagging on its hinges. Also remove the striking plate from the door frame. Installing the new lock is an easy task that should only take a few minutes.

Before you begin make sure you have a new door lock set and a screwdriver or drill. Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws. Clean and sand down the paintwork just around the lock and fill any scratches you can repaint later if necessary. This process will vary somewhat based on the doorknob you are installing.

Unscrew the old lock from the door. Turn the key so the locking bolt protrudes from the lock and hold the door against the door frame. One possible reason for this is that your door isn t properly aligned. The distance between the edge of the door and the center of the lock hole.

Usually the backset measures 2 3 8 inches or 2 3 4 inches. Step 1 purchase a new lock. Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of the bolt. Set a marking gauge to half the thickness of the door fig.

Just be sure to purchase the same brand of lock as the existing one so that it will fit into the same holes without alterations to the door. After you ve fitted the lock in the door you need to fit the strike plate to the door frame. Normally you unscrew the lock body first undo the screws in the plate below and take out the cylinder lock from the other side. How to install a door lock door knob deadbolt.